Technology

Segregated Witness, also known as SegWit, has locked in on Bitcoin it will be activated soon. This happened after many months of debates on how to scale Bitcoin and after the hard fork by some miners. SegWit will change Bitcoin in many ways. I will mention the most important ones. The blocks will store the same information in a lighter form, this will allow more transactions to be stored in a block and that means faster validation and shorter waiting times assuming the transaction number stays the same. SegWit also fixes transaction malleability which was one of the largest issues of Bitcoin since the very start. Finally, it allows the implementation of Lightning networks, networks that process transactions offline, off-chain. This will remove some of the heavy transaction load from Bitcoin.

I would like to tell you the story from my point of view and then decide if buying Bitcoin now it is a good idea. First of all, for Bitcoin to be able to handle the number of transactions other payment systems do needs to change and this is known since the creation of Bitcoin. From time to time some spam the Bitcoin network with transactions and this leads to two things, first to delay the verification of the transactions and second to increase the transaction fees in order for the transactions to be verified faster. The last spam (days ago) was the worst so far and it created the largest backlog of transactions. I had a transaction that took a week to be confirmed. There are some proposals on how Bitcoin can change and handle larger amount of transactions, the most common are SegWit by Bitcoin core and Bitcoin Unlimited mostly backed by miners. SegWit (Segregated Witness) is a soft fork which means it can handle “old style” transactions along with the new ones and Bitcoin continues normally. Bitcoin Unlimited is had fork which means that it is incompatible and will cause problems in the Bitcoin network. If that happens which is what Bitcoin miners want is to have two Bitcoin blockchains and by extension two coins. Exchange sites decided to keep the Bitcoin core as BTC (or XBT) and the new coin (if created) as BTU (or XBU).

The price of one bitcoin (1135) is very close to the price of one ounce of gold (1165). If Bitcoin continue this trend it will soon reach parity with gold and even surpass it. The price of Bitcoin continue its uptrend while the value of gold decreased in the last months. This shows that the dynamics are changing and people prefer the digital gold instead of the traditional one. While writing the post the price went from 1120 to 1135, I will try to post it before change again and make me re-edit!

This post is not related to the Bitcoin as technology nor the future of its price but the data of Bitcoin. There are several wallets to keep your Bitcoins but the ones that offer the best security is the ones that don’t trust 3rd parties, including the original Bitcoin client. Since they don’t trust any 3rd party they need to download the entire blockchain, every block, every transaction ever made and verify it. That amount of data has reached 100GB so you need a hard drive which can fit that size and have room for future blocks also. The early blocks were empty with few or no transactions but new blocks are full or almost full so expect the size to grow faster from now on. In addition, more users are joining the Bitcoin train, more companies are accepting the crypto-currency and is expected to have even more transactions.

I am a big fan of cryptocurrencies and especially Bitcoin for what they stand for. Usually new coins try to offer something new or something better to the community. Some are lighter, some use mining algorithms that prevents the use of specialized hardware in order to keep the mining distributed and some offer better anonymity. Most coins are just clones of others in order for the creators to make some fast and easy cash. Some of them are coming with a number of pre-mined coins that the creator usually holds and gives some for marketing purposes or they are announced in a later stage where many of them are already mined. In any case those crypto-coins are giving nothing to the community and the world.

Security researchers found a way to gain remote access to Tesla cars and execute some actions. Some actions like move the mirrors or open the trunk are not so scary but some other actions like access to the brakes is very scary. Don’t think that those actions require the hacker to be near the car, access to the brakes can be done remotely, kilometers away from the car. Keen security lab researches created a video that demonstrate some actions they can perform on Tesla cars. I hope those security holes to be patched soon.

Many believe that Bitcoin price will hit a new high at 2016. My opinion is that this will happen at 2017 but this remains to be seen. The following reasons are what many, including me, believe that will push the Bitcoin price up.

Bitcoin price rally is due to the weakening Chinese Yuan. They turn into Bitcoin since it is more stable and because of that demand, Bitcoin price is moving upwards. The demand is estimated to continue and the price to be soon above $500. This happens also with other countries and currencies but it didn’t have this effect in Bitcoin price. As said before, the price will be affected also by the halving that will happen in less than 2 months. The price is estimated to reach $800 by the end of the year.

Japan officially accepted Bitcoin, and other digital currencies, as money. In particular, Japan recognizes them as having function similar to money. The specific legislation was at works for weeks and it is finally accepted. In addition, payments can be made directly to Bitcoin without the need of converting them to fiat currency. Banks will start investing in Bitcoin as assets for asset management and future gains.

Ransomwares are becoming very common since (apparently) only a small percentage is taking backups. Most people and organizations have valuable data laying in their hard drives without taking any backups. Creators of ransomwares are aware of this and they encrypt their files asking for money to provide them the key to unlock their files. In many cases, people and organizations are paying the ransom, creators make profit and they create more, more difficult to decrypt ransomwares. In this post we will provide the solution, how to encrypt some of the ransomwares, if you are the victim of those ransomware then you are luckier than others.